Historical clue formulations

• Put in jeopardy — 2020-02-16
• Jeopardize — 2016-11-30
• Endanger — 2016-10-16
• Be imminent — 2009-10-31
• Loom — 2004-09-23
• Menace — 2002-09-08
• Menace — 1996-08-31